That hitchhiker looks dangerous. Don't pick him up.那个搭便车的人看起来很危险. 不要载他.It was then that he noticed the hitchhiker by the road.就在那时他注意到马路边有个搭便车者.He picked up two hitchhiker s at the entrance to the motorway.在高速公路入口,他...
某种蟑螂喷射一种催泪性毒气――乙 基丙烯 醛.A species of cockroach sprays a substance , ethylacrolein, that is a kind of tear gas.即丙烯醛水合法, 环氧乙烷甲酰化法,生物发酵法.They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis m...
美西战争前夕,美国在国外投资,总共只有六亿八千四佰五十万美元.American investments abroad totaled only $ 684,500,000 on the eve of the Spanish - American War.然此非常特殊的关系却早已于1898年的美西战争前即已存在.Those relationships were in place before the Spanish American Wa...
The boss tried many ploys to get customers into the store.老板用尽各种伎俩引顾客上门.She tried many ploys to get the boy interested in her.她试过很多伎俩去赢取男孩的青睐.Does this correspond with or contradict his earlier ploys?这与他之前的表现相符或冲突?...
Charles Babbage & Ada Byron ( Lady Lovelace ) worked on programmable mechanical calculating machines.CharlesBabbage 和adaByron发明了可编程的机械式计算器 ( 差分机 ).ADA obviously increases in nearly 90 % cases of hepatocirrhosis.肝硬化时,ADA有...